Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nextgenhvac.co
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 04:38:06 UTC · ↺ Refresh
MX Hostnames
- mail.nextgenhvac.co
MX Priorities
- mail.nextgenhvac.co: 5
A / AAAA Records
- 15.204.166.5 ↩ www.nextgenhvac.co
Mail Server IPs
- 15.204.166.5 ↩ www.nextgenhvac.co
SOA Record
Raw SOA
ns1.philahost.com root.ns1.philahost.com 2022041307 3600 600 1209600 3600
Primary NS (mname)
ns1.philahost.com
Admin Email (rname)
root@ns1.philahost.com
Serial
2022041307
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns1.philahost.com
ns2.philahost.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:nextgenhvac.co a:www.nextgenhvac.co ip4:15.204.166.5 ip4:51.81.32.207 ?all
📊 DNS lookups: 4/10
? Neutral (?all) — no enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; ruf=mailto:[email protected]; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=iZq5mCve5V3b46kEipmGrVU2sx8Up6C0Cl3HZ_8-XPI
- SPFv=spf1 a mx a:nextgenhvac.co a:www.nextgenhvac.co ip4:15.204.166.5 ip4:51.81.32.207 ?all
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